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Cerrena [4.2K]
3 years ago
12

PLEASE HELP!! Which of the following happens when cancer occurs?

Biology
1 answer:
Mkey [24]3 years ago
3 0

Explanation:

The answer is #1.

As cells become abnormal, old and damaged cells do not go through the cell cycle and can not regenerate like usual & the damaged. Any new cells are the cancerous ones that triple in number.

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If a cell has 32 pairs of chromosomes in its diploid state, how many chromosomes will it have after Meiosis 1? A. 8 B. 64 C. 32
Lostsunrise [7]

Answer:

option c is correct that is 32

Explanation:

meiosis occur in two phases in the first phase DNA replication occur and amount of DNA becomes doubled without any changes in the chromosomes number and two daughter cells( each 2n) are formed

now in stage 2 each daughter cell undergoes mitosis with the formation of two cells  each with half chromosomes (n)

now 2n =32

n=32/2=16

after meiosis stage 1 ........ two daughter cell each with 32 chromosomes  

stage 2.... each daughter cell form two grand daughter cell each with 16 chromosomes

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3 years ago
2. What is the definition of a relation?
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Answer:

C. An association between two sets of data

5 0
3 years ago
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They are examples of precipitation
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Which of the following occurs during<br> Prophase?<br><br> Answer: Nuclear envelope breaks down!
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Answer:

During prophase, chromosomes condense and exit the nuclear envelope to align during metaphase. Anaphase follows metaphase, and is characterized by the separation of sister chromatids. Telophase is the final mitotic stage, during which the cell prepares for cytokinesis.

Explanation:

You're not supposed to give out the answer but thanks anyway

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Which of the following are valid names for the equinoxes?
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Among the given name of the equinoxes, the fall equinox and the spring equinox are the valid names for the equinoxes.

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There are no such equinoxes as partial or total equinox.

Hence, the correct answer is option A and D.

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3 years ago
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